@inproceedings{Straccia06h,
 Author = {Straccia, Umberto},
 Booktitle = {Proceedings of the 2006 IEEE International Conference on Systems, Man and Cybernetics
(SMC-06)},
 Pages = {4873-4879},
 Publisher = {IEEE},
 Title = {Towards Top-k Query Answering in Deductive Databases},
 Year = {2006}}